A website domain "discuss.leetcode.com " consists of various subdomains. At the top level, we have "com ", at the next level, we have "leetcode.com " and at the lowest level, "discuss.leetcode.com ". When we visit a domain like "discuss.leetcode.com ", we will also visit the parent domains "leetcode.com " and "com " implicitly. A count-paired domain is a domain that has one of the two formats "rep d1.d2.d3 " or "rep d1.d2 " where rep is the number of visits to the domain and d1.d2.d3 is the domain itself. For example, "9001 discuss.leetcode.com " is a count-paired domain that indicates that discuss.leetcode.com was visited 9001 times. Given an array of count-paired domains cpdomains, return an array of the count-paired domains of each subdomain in the input.